Kazunari is a young man of average height with green eyes and blonde hair, which is a bit longer at the back and goes down to his shoulders. He wears a white sweatshirt with "Three Three Three" written on it, a pair of ripped black skinny jeans, a blue jacket, and navy blue shoes. As for accessories, he wears a black fedora, a pair of earring, and two necklaces, one with a green gem and the other plain.

Kazunari's hair is naturally black, but is currently bleached.